import java.io.*;
import java.text.*;

public class calctax
{
	public static final double TAX_RATE=.045; 
        public static void main(String[ ] args)
        {
		double price=20.00;
		double tax=CalcTax(price);
		double result=price+tax;	
		System.out.println("Price with tax is $: "+
		result);
        }

        public static double CalcTax(double price)
        {                            
		return price*TAX_RATE;
        }
}